CVE-2025-69234
Unknown Unknown - Not Provided
Iframe Sandbox Escape Vulnerability in Whale Browser Sidebar

Publication date: 2025-12-30

Last updated on: 2025-12-30

Assigner: Naver Corporation

Description
Whale browser before 4.35.351.12 allows an attacker to escape the iframe sandbox in a sidebar environment.
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Meta Information
Published
2025-12-30
Last Modified
2025-12-30
Generated
2026-06-16
AI Q&A
2025-12-30
EPSS Evaluated
2026-06-14
NVD
CVE-2025-69234
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
navercorp whale_browser *
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-358 The product does not implement or incorrectly implements one or more security-relevant checks as specified by the design of a standardized algorithm, protocol, or technique.
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Executive Summary

This vulnerability in Whale browser versions before 4.35.351.12 allows an attacker to escape the iframe sandbox within a sidebar environment. This means that an attacker can bypass the security restrictions normally imposed by the iframe sandbox, potentially enabling them to execute unauthorized actions or access restricted content.

Impact Analysis

The impact of this vulnerability is that an attacker could exploit the iframe sandbox escape to perform unauthorized actions within the Whale browser's sidebar environment. This could lead to security breaches such as data leakage, unauthorized code execution, or other malicious activities within the browser context.

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